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Compound Bar Pendulum (Iron)

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Compound Bar Pendulum (Iron) Specification

Temperature Range
Ambient laboratory conditions

Feature
Holes at equal intervals for adjusting axis of suspension, Hardened knife edges, Uniform cross-section

Power Source
Not required (Manual/Mechanical operation)

Core Components
Iron bar, Two adjustable knife edges, Holes for mounting, Support mechanism

Frequency
Manual measurement (Dependent on experimental setup)

Accuracy
Depends on experimental setup and measurement precision

Capacity
Standard (Not specified, used for educational laboratory purpose)

Automation Grade
Manual

Measurement Range
Suitable for educational demonstrations over several pivot positions

Equipment Materials
Iron (main bar and adjustable knife edges), Steel (knife edges), Hardened steel screws

Type
Compound Bar Pendulum (Iron)

Usage
Physics laboratory experiments, Determining acceleration due to gravity (g), Moment of inertia calculations

Display Type
None (Physical/Mechanical device)

Dimension (L*W*H)
Approx. 1000 x 30 x 10 mm (Bar size)

Weight
Approx. 1.5 2 kg

Bar Material and Finish
Solid iron; black painted or powder coated for corrosion resistance

Knife Edge Material
Hardened steel, removable and adjustable

Purpose
Determination of g and radius of gyration using bar pendulum method

Packaging
Individual sealed pack or polywrap

Bar Thickness
Approx. 10 mm

End Loops/Rings
Optional-facilitates easy mounting

Mount Compatibility
Works with standard laboratory pendulum stand

Compliance
Meets standard laboratory equipment specifications for educational use

Accessories Included
None; Stand and timer supplied separately

Number of Suspension Holes
Usually 7-9, symmetrically spaced

About Compound Bar Pendulum (Iron)

KFW - Compound Bar Pendulum (Iron) C.P

Consists of a powder coated steel bar.

Dimension 100 x 3.75 x 0.5 cm with a no. of equidistant holes intervals of 5 cm.

Complete with wall bracket and two removeable knife edges.

KFW -P88 A Compound Bar Pendulum (Brass)

Consists of a powder coated steel bar.

Dimension 100 x 25 x 0.5 cm with a no. of equidistant holes intervals of 5 cm.

Complete with wall bracket and two removable knife edges

Precision Construction for Reliable Measurements

Crafted from solid iron with uniformly spaced holes, the compound bar pendulum ensures consistent experimental setups. The hardened steel adjustable knife edges, combined with precise bar thickness, enhance accuracy for physics investigations involving gravity and moment of inertia. Its corrosion-resistant finish supports extended laboratory use.

Designed for Versatility in Physics Education

Whether used for gravity determination or inertia calculations, this pendulum adapts easily to various experiments. Symmetrical mounting holes and optional end loops enable versatile suspension, while its compatibility with standard laboratory stands means setup stays straightforward for educators and students alike.

Robust and User-Friendly for Classroom Environments

This manually operated pendulum requires no external power source or digital display, focusing entirely on hands-on learning. The packaging in individual sealed packs or polywrap ensures secure delivery and storage, making it ideal for laboratories, distributors, and suppliers across India.

FAQs of Compound Bar Pendulum (Iron):

Q: How is the Compound Bar Pendulum (Iron) used to determine acceleration due to gravity (g)?

A: The pendulum is mounted on a laboratory stand using one of its suspension holes and adjustable knife edges. By measuring the oscillation period for different pivot points and applying the pendulum formula, users can accurately calculate the acceleration due to gravity.

Q: What materials and finishes are used for the bar and knife edges?

A: The main bar is constructed from solid iron with a black painted or powder-coated finish to resist corrosion. Removable and adjustable knife edges are made from hardened steel for durability and measurement precision.

Q: When is this device suitable for use in laboratories?

A: The compound bar pendulum is ideal for educational physics experiments conducted under standard ambient laboratory conditions, where manual measurement and hands-on demonstration are required.

Q: Where can the Compound Bar Pendulum (Iron) be mounted for experiments?

A: It is compatible with standard laboratory pendulum stands, allowing easy installation using the symmetrically spaced suspension holes and optional end loops for secure mounting.

Q: What is the process for adjusting the axis of suspension during an experiment?

A: Users can select from 79 equally spaced holes along the iron bar to change the suspension axis. The hardened steel knife edges can be repositioned as needed to facilitate accurate and repeatable measurements over several pivot positions.

Q: What benefits does this pendulum offer compared to simple pendulums?

A: Unlike simple pendulums, the compound bar pendulum allows for determination of both acceleration due to gravity and radius of gyration, supporting advanced demonstrations of moment of inertia and rotational dynamics.

Q: Is any additional equipment required for operation, such as a stand or timer?

A: Yes, while the pendulum itself is supplied individually, a standard laboratory stand and timer are necessary for accurate measurement and must be obtained separately.

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